Free DEX-450 Exam Braindumps
Programmatic Development using Apex and Visualforce in Lightning Experience Questions 166–170 (page: 35)

Updated On: 10-Feb-2026

Developer needs to automatically populate the Reports To field in a Contact record based on the values of the related Account and Department fields in the Contact record. Which type of trigger would the developer create? Choose 2 answers

  1. Before update
  2. After insert
  3. Before insert
  4. After update

Answer(s): A,C



To which primitive data type in Apex is a currency field atomically assigned?

  1. Integer
  2. Decimal
  3. Double
  4. Currency

Answer(s): B



Which resource can be included in a Lightning Component bundle?Choose 2 answers

  1. Apex class
  2. Adobe Flash
  3. JavaScript
  4. Documentation

Answer(s): C,D



A custom exception "RecordNotFoundException" is defined by the following code of block.public class RecordNotFoundException extends Exception()which statement can a developer use to throw a custom exception?
Choose 2 answers

  1. Throw new RecordNotFoundException("problem occured");
  2. Throw new RecordNotFoundException();
  3. throw RecordNotFoundException("problem occured");
  4. Throw RecordNotFoundException();

Answer(s): A,B



When creating unit tests in Apex, which statement is accurate?Choose 2

  1. Unit tests with multiple methods result in all methods failing every time one method fails.
  2. Increased test coverage requires large test classes with many lines of code in one method.
  3. Triggers do not require any unit tests in order to deploy them from sandbox to production.
  4. System Assert statements that do not Increase code coverage contribute important feedback in unit tests

Answer(s): B,D



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